10001002212 has 36 divisors (see below), whose sum is σ = 25311556816. Its totient is φ = 3329547120.

The previous prime is 10001002211. The next prime is 10001002213. The reversal of 10001002212 is 21220010001.

It is an interprime number because it is at equal distance from previous prime (10001002211) and next prime (10001002213).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10001002194 and 10001002203.

It is not an unprimeable number, because it can be changed into a prime (10001002211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142078 + ... + 200469.

Almost surely, 2^10001002212 is an apocalyptic number.

10001002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10001002212 is an abundant number, since it is smaller than the sum of its proper divisors (15310554604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001002212 is a wasteful number, since it uses less digits than its factorization.

10001002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343368 (or 343363 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10001002212 its reverse (21220010001), we get a palindrome (31221012213).

The spelling of 10001002212 in words is "ten billion, one million, two thousand, two hundred twelve".